Studies have shown that the interval between reinfections tends to range from 90 to 650 days, but the average period between infections is nearly a year.
Fortunately, there is scarce evidence to suggest that the last BA.5 strain causes more serious diseases than its predecessors.
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A recent entry on the Yale Medicine website reads: “Although new variants are an expected part of the evolution of viruses, monitoring each one that surfaces is essential in ensuring we […] are prepared.
“This is especially true if a new variant is more aggressive, highly transmissible, vaccine-resistant, able to cause more severe disease – or all of the above, compared with the original strain of the virus.”
Source: Daily Express